package Sort2018;

/**
 * Created by 雷文康 on 2018/2/26.
 */
public class InsertSort {

    public static void main(String[] args) {
        int[] array = {3,8,4,6,7,2,5,9,1};
        insertSort(array);
        for (int i = 0; i < array.length; i++){
            System.out.print(array[i]);
        }
    }

    public static void insertSort(int[] array) {
        if (array == null || array.length == 0) {
            return;
        }
        for (int i = 1; i < array.length; i++) {
            if (array[i] < array[i - 1]) {
                int val = array[i];
                int j;
                for (j = i - 1; j >= 0 && array[j] > val; j--) {
                      array[j + 1] = array[j];
                }
                array[j + 1] = val;
            }
        }
    }
}
